package com.lanjiu.lib.utils;

/**
 * @description:
 * @author: Panwei
 * @date: 2020/1/2 15:52
 */
public class StringUtils {

    StringUtils() {
    }

    public static String subLast(String str, int count) {
        if (count <= 0)
            return str;
        return str.substring(str.length() - count);
    }

    public static String append(String str1, String str2) {
        return str1 + str2;
    }
}
